• OLIP GCM, Generator Condition Monitoring

    ◆ Motor Type : GCM cannot be used with generators which have fast current variation. Generator current variation must be less than 15% during 6 sec data acquisition period.

    ◆ Operating Temperature : 0 – 40⁰ C (32 – 104⁰ F)

    ◆ High Voltage Models (>480 Vac) : Three Cat II Voltage Transformers*: 0.5% accuracy; 100 V, 110 V, or 120 V secondary voltages

Features

GCM provides both mechanical (unbalance, misalignment, roller bearings, etc.) and electrical (loose windings, short circuits, etc.) anomaly detection as well as electrical parameters such as voltage and current imbalances and power factor.

Description

GCM continuously identifies existing and developing faults on generators and their prime movers, effectively using the generator itself as a sophisticated transducer. GCM utilizes an intelligent, model-based approach to provide anomaly detection by measuring the current and voltage signals from the electrical supply from the generator. It is permanently mounted, generally in the generator control center and is applicable to 3-phase AC generators. Accompanying MCMScada Software or OLIP Enterprise Server (OPC Server ) is used to view the data.

Technical Specifications

General Information
Motor Type GCM cannot be used with generators which have fast current variation. Generator current variation must be less than 15% during 6 sec data acquisition period.
Environmental
Operating Temperature 0 – 40⁰ C (32 – 104⁰ F)
Humidity Up to 90% RH, non-condensing
INPUTS
Power Input Required 100-240 Vac, 47 – 64 Hz, 19 VA, 200 mA or 120-300 Vdc, 19 VA, 200 mA (use UL listed fuse with proper voltage rating)
MEASUREMENT VOLTAGE INPUTS
Low Voltage Models (≤480 Vac) Can tap directly off voltage lines to generator
High Voltage Models (>480 Vac) Three Cat II Voltage Transformers*: 0.5% accuracy; 100 V, 110 V, or 120 V secondary voltages
MEASUREMENT CURRENT INPUTS Three 250 Vac, Cat II Current Transformers*: 0.5% accuracy, with either 5A or 1A secondary outputs depending on PCM model
OUTPUTS
Communications RS422/RS485 (RS232 and Ethernet with additional appropriate converter)
Relay One assignable relay output, user programmable; NC/NO contacts (2A, 30VDC)
PHYSICAL
Weight 1170 g (2.58 lb)
Dimensions WxHxL 96 mm x 96 mm x 140 mm (3.78 in x 3.78 in x 5.51 in)
Protection Class Front Panel: IP 40, Whole Unit: IP 20
Mounting Front Panel Mounting (indoor)
COMPLIANCE & CERTIFICATIONS
EMC EMC Directive 2004/108/EC, EN 61326-1, IEC 61326-1Measurement Control and Laboratory Use for Industrial Environments
Safety Electrical Safety Directive 2006/95/EC, EN 61010-1, UL 61010-1, IEC 61010-1Safety Requirements for Electrical Equipment